 |
Year 12 Physics - Semester 2 |
|
Time
|
Content
|
Experiments
|
Resources
|
|
1½ weeks
|
Heat and its Measurement
· the
following terms:
heat, temperature, thermal expansion,
change of state, heat transfer, melting, freezing, boiling, evaporation
· Celsius
and Kelvin temperature scales
· Laws
of Thermodynamics
· distinguish
between heat and temperature
· Heat
Units (Joules)
· heat capacity
and specific heat capacity
· Conservation
of heat
transfer
· Latent
heat and change of state
· Heat formulae:
(a) DQ =
mcDT (b) Q = MLv
(c) Q = MLf
·
investigate
the importance of the high specific heat of water
|
Experiments
· Conservation
of thermal energy
· Specific Heat
of
a
metal
· Heat of fusion
of ice
Manipulative Skills
· measure temperature, pressure and the
volume of a gas
· successfully handle apparatus that
allows the student to measure the specific and latent heats of several
substances
· successfully handle apparatus which
demonstrates
(a) (a) heat transfer
(b) (b) thermal expansion
(c) (c) mass
of a substance
|
Text- Chapter 10
Videos
· Mechanical
Universe 4
“Temperature and the Gas Laws”
· “Evaporation and Boiling”
Other Texts
· Physics:
Principles and Problems
ch 12,13,14
· Elements of Modern Physics
Book 2 Unit 8
· Ingram Part 1 ch
· FOSP Book 2
· Gardiner Set 33
· Walters ch 19
· Essential
Physics ch 11,12
Diagnostic Aid No.
12
|
|
2 weeks
|
Kinetic Theory and the Gas Laws
· the
following terms:
Universal gas constant,
Boltzmann’s Constant, Avogadro’s
number
· Heat
Units (Joules)
· Conservation
of heat
transfer
· Kinetic
theory of gases
· Thermal
expansion
· Ideal
Gas Laws
(a) Boyle's Law
(b) Charles Law
(c) Combined Gas Law
· Heat
formulae:
(a) P1V1
= P2V2
(b) V1/V2 = T1/T2
(c) P1V1/T1
= P2V2/T2
(d) PV = nRT
(e) PV = NkT
(f) (f) KE = 3/2 kT
· use
experimental data and graphical
methods to verify Boyle’s Law and Charles law
· explain
diffusion, pressure and compressibility of gases using the kinetic model of
matter
|
Experiments
· Boyles Law
Manipulative Skills
· successfully
use apparatus to verify Boyle’s Law
|
Text- Chapter 11
Videos
· Mechanical Universe
4
“Temperature and the Gas Laws”
· “Evaporation
and Boiling”
Other Texts
· Physics:
Principles and Problems
ch 12,13,14
· Elements of
Modern Physics
Book 2 Unit 8
· Ingram Part 1
ch
· FOSP Book 2
· Gardiner Set 33
· Walters ch 19
· Essential
Physics ch 12,13
Diagnostic Aid No.
13
|
|
2 weeks
|
Quantum Physics
· the
following terms:
photon, quantum, photo-electron,
threshold frequency, work function, threshold wave-length, photon energy,
stopping potential, intensity, accelerating PD, speed of light, Planck's
constant, matter wave, photon momentum, scattering, charge on the electron,
electron volt.
· the
photo electric effect:
(a) properties
(b) failure of classical explanation
(c) quantum explanation
(d) E = hf, (½mv²) max = hf = hfo
(e) the photo cell
· the
quantum theory of light
·
Compton effect
(a) statement
and significance
(b) momentum of photon = p
= hl
· matter
waves-
De Broglie wavelength
· idenfify
and critically analyse physical situations in terms of wave theory and/or
quantum theory eg. Inference
· convert
energy from joules to electrons-volts and vice-versa
· spectra: emission and absorption
· the
following formulae:
n5h5
(a) r = 4p Kme5
-
2p5K5me4
(b) E = n5h5
(c) E2 - E1 = hf
-
13.6 ev for the H atom
(d) E =
n5
c
(e) l = f
·
using models of energy levels
of atoms solve problems involving energy levels in atoms and emission
spectrums
|
|
Text- Chapter 29
Videos
· PSSC (a) Photo electric
effect (b) Photons; Wave particle Duality (EMA)
· Mechanical
Universe 3
“The Millikin’s Experiment”
Other Texts
· Physics:
Principles and Problems ch 27
· Elements of
Modern Physics
Unit 15
· Ingram Part II
ch 6
· Essential
Physics ch 34
· Physics for a
Modern World
ch 18
Diagnostic Aid No.
28
|
|
2 weeks
|
Atomic Physics
· the meaning of the following terms -
nucleus, radioactivity,
beta radiation, isotope, protons, neutron, atomic mass, spectrum, atomic
number, emission spectrum, absorption spectrum, electron volt
· radioactivity
(i) history
(ii)
types of radioactivity
· history of discovery of nuclear particles, and
the different models
· isotopes and neutrons
· Bohr model of the atom:
(a) (a)
postulates
(b) (b)
energy levels (emission and absorption levels)
(c) limitations
· Mass defect and binding energy
· how light is generated:
(a) by charged particles
(b) by the excitation of atoms
· Predict the emitted photon
wavelengths and electron energies from photon and electron collisions with
specific atoms.
|
Manipulative Skills
· use
a spectroscope to view line spectra produced by gas discharge tubes
|
Text- Chapter 27
Videos
· Structure of
the Atom
Other Texts
· Physics:
Principles and Problems
ch 28 (ch 20 revision)
· Elements of
Modern Physics
Book 2 Unit 15
· Ingram Part II
(a) (a) branch activity 4
(b) (b) branch activity 5
(c)
ch 7
· FOSP Book 2 ch
7
· Gardiner Set 47
· Walters ch 25
· Essential
Physics ch 29
· Physics for a
Modern World
ch 20
Diagnostic Aid No.
29
|
|
2 weeks
|
Nuclear Physics
· the meaning of the following terms:
atomic number,
mass
number,
isotope,
proton,
neutron,
positron neutrino,
radio activity,
alpha
radiation,
beta radiation,
gamma radiation,
nuclear bombardment,
half life,
artificial radioactivity, bonding energy,
nuclear fission,
breeder reactor,
pair production,
nuclear fission
·
structure of the nucleus:
Atomic number, Mass number
· methods of radioactive decay and decay
equations: natural, artificial
· solve problems relating to:
(a) half-life
(b) binding energy
(c) energy given off in a nuclear reaction
· methods of detecting
radiation
· write decay equations.
·
the
major parts of nuclear generators
· formula:
Af = Ai /2n where n is the number of
half lifes
·
analyse graphical representation of the topic
·
critically analyse the importance of specific equipment in nuclear
reactors
|
Manipulative Skills
· operate a
Geiger Muller tube and counter correctly
|
Text- Chapter 28
| | | |